LXR linux/arch/arm/mach-s3c/mach-smdk6400.c

   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// Copyright 2008 Simtec Electronics
   4//      Ben Dooks <ben@simtec.co.uk>
   5//      http://armlinux.simtec.co.uk/
   6
   7#include <linux/kernel.h>
   8#include <linux/types.h>
   9#include <linux/interrupt.h>
  10#include <linux/list.h>
  11#include <linux/timer.h>
  12#include <linux/init.h>
  13#include <linux/serial_core.h>
  14#include <linux/serial_s3c.h>
  15#include <linux/platform_device.h>
  16#include <linux/i2c.h>
  17#include <linux/io.h>
  18
  19#include <asm/mach-types.h>
  20
  21#include <asm/mach/arch.h>
  22#include <asm/mach/map.h>
  23#include <asm/mach/irq.h>
  24
  25#include <mach/irqs.h>
  26#include "map.h"
  27
  28#include "devs.h"
  29#include "cpu.h"
  30#include <linux/platform_data/i2c-s3c2410.h>
  31#include "gpio-samsung.h"
  32
  33#include "s3c64xx.h"
  34
  35#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  36#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  37#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  38
  39static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  40        [0] = {
  41                .hwport      = 0,
  42                .flags       = 0,
  43                .ucon        = 0x3c5,
  44                .ulcon       = 0x03,
  45                .ufcon       = 0x51,
  46        },
  47        [1] = {
  48                .hwport      = 1,
  49                .flags       = 0,
  50                .ucon        = 0x3c5,
  51                .ulcon       = 0x03,
  52                .ufcon       = 0x51,
  53        },
  54};
  55
  56static struct map_desc smdk6400_iodesc[] = {};
  57
  58static void __init smdk6400_map_io(void)
  59{
  60        s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  61        s3c64xx_set_xtal_freq(12000000);
  62        s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  63        s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4);
  64}
  65
  66static struct platform_device *smdk6400_devices[] __initdata = {
  67        &s3c_device_hsmmc1,
  68        &s3c_device_i2c0,
  69};
  70
  71static struct i2c_board_info i2c_devs[] __initdata = {
  72        { I2C_BOARD_INFO("wm8753", 0x1A), },
  73        { I2C_BOARD_INFO("24c08", 0x50), },
  74};
  75
  76static void __init smdk6400_machine_init(void)
  77{
  78        i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  79        platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  80}
  81
  82MACHINE_START(SMDK6400, "SMDK6400")
  83        /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
  84        .atag_offset    = 0x100,
  85        .nr_irqs        = S3C64XX_NR_IRQS,
  86        .init_irq       = s3c6400_init_irq,
  87        .map_io         = smdk6400_map_io,
  88        .init_machine   = smdk6400_machine_init,
  89        .init_time      = s3c64xx_timer_init,
  90MACHINE_END
  91